31434670 has 8 divisors (see below), whose sum is σ = 56582424. Its totient is φ = 12573864.

The previous prime is 31434643. The next prime is 31434691. The reversal of 31434670 is 7643413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571724 + ... + 1571743.

It is an arithmetic number, because the mean of its divisors is an integer number (7072803).

Almost surely, 2^31434670 is an apocalyptic number.

31434670 is a deficient number, since it is larger than the sum of its proper divisors (25147754).

31434670 is a wasteful number, since it uses less digits than its factorization.

31434670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143474.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 31434670 is about 5606.6630003952. The cubic root of 31434670 is about 315.5994966159.

The spelling of 31434670 in words is "thirty-one million, four hundred thirty-four thousand, six hundred seventy".